Common up eager handling of sweeping.

third_party/WebKit/Source/platform/heap/ThreadState.cpp

Index: third_party/WebKit/Source/platform/heap/ThreadState.cpp
diff --git a/third_party/WebKit/Source/platform/heap/ThreadState.cpp b/third_party/WebKit/Source/platform/heap/ThreadState.cpp
index 8d2eb9f6f6f2495de33ea25adf3dc679516bd960..1e7c34c73f4819e2f9196c2c002f1162709e55ed 100644
--- a/third_party/WebKit/Source/platform/heap/ThreadState.cpp
+++ b/third_party/WebKit/Source/platform/heap/ThreadState.cpp
@@ -1056,19 +1056,15 @@ void ThreadState::preSweep()
 #endif
 
 #if ENABLE(LAZY_SWEEPING)
-    if (previousGCState == EagerSweepScheduled) {
-        // Eager sweeping should happen only in testing.
-        eagerSweep();
+    eagerSweep();
 #if defined(ADDRESS_SANITIZER)
-        poisonAllHeaps();
+    poisonAllHeaps();
 #endif
+    if (previousGCState == EagerSweepScheduled) {
+        // Eager sweeping should happen only in testing.
         completeSweep();
     } else {
         // The default behavior is lazy sweeping.
-        eagerSweep();
-#if defined(ADDRESS_SANITIZER)
-        poisonAllHeaps();
-#endif
         scheduleIdleLazySweep();
     }
 #else